I have long wondered if Twain had ever changed his opinion of the
American Indian.  I don't know if this represents a change or not but in
chapter 14 of Following the Equator he notes that he never saw an
Australian "Aboriginal" or "blackfellow". He goes on to say "We have at
home an abundance of museums, and not an American Indian in them.  It is
clearly an absurdity, but it never struck me before."